Oil and gas exploration.
Replaced by Campo Inchauspe (code 6221) for topographic mapping, use for oil exploration and production in Golfo San Jorge basin (44°S to 47.5°S) continues.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Pampa del Castillo", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Oil and gas exploration.", "area": "Argentina - Chibut province south of approximately 42°30'S and Santa Cruz province north of approximately 50°20'S.", "bbox": { "south_latitude": -50.34, "west_longitude": -73.59, "north_latitude": -42.49, "east_longitude": -65.47 }, "id": { "authority": "EPSG", "code": 6161 } }